Telephone instrument



FIG. 1 is a perspective view of a telephone instrument showing my design;

FIG. 2 is a rear view of the telephone instrument;

FIG. 3 is a bottom plan view of the telephone instrument;

FIG. 4 is a top plan view of the telephone instrument;

FIG. 5 is a front view of the telephone instrument;

FIG. 6 is a side view of the telephone instrument; and

FIG. 7 is a view of the other side of the telephone instrument. 

The ornamental design for a telephone instrument, as shown. 